Methods | Bias (*) | 1-β(α) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Parameters | Real values | ML | IGLS | GEE | ML | IGLS | GEE | ML | IGLS | GEE |
Cut-points | ||||||||||
α 1 | -2 | -2.149 | -2.149 | -2.143 | 0.014 | 0.007 | 0.0137 | |||
(0.236) | (0.237) | (0.237) | (7.34) | (1.98) | (6.76) | |||||
α 1 | -1 | -1.053 | -1.053 | -1.040 | 0.012 | 0.002 | 0.0136 | |||
(0.214) | (0.211) | (0.217) | (7.35) | (1.69) | (7.91) | |||||
α 3 | 0 | -0.106 | -0.106 | -0.103 | 0.0055 | -0.0043 | 0.0025 | |||
(0.206) | (0.204) | (0.207) | (3.57) | (1.6) | (1.56) | |||||
Treatment effects | ||||||||||
γ 01 | -1 | -1.016 | -1.016 | -0.941 | 0.0077 | 0.0195 | 0.0098 | 0.938 | 0.948 | 0.94 |
(0.242) | (0.240) | (0.248) | (3.22) | (2.42) | (3.75) | (0.014) | (0.013) | (0.015) | ||
γ 02 | 1 | 1.078 | 1.078 | 1.082 | -0.005 | -0.0043 | -0.0111 | 0.943 | 0.943 | 0.945 |
(0.214) | (0.215) | (0.217) | (2.27) | (2.20) | (5.05) | (0.003) | (0.001) | (0.001) | ||
Center effect | ||||||||||
C1 | 0.218 | 0.218 | 0.168 | |||||||
(0.224) | (0.224) | (0.228) | ||||||||
C2 | -0.014 | -0.014 | 0.013 | |||||||
(0.228) | (0.226) | (0.230) |